Template:Selected anniversaries/December 21: Difference between revisions
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||1919 – American anarchist Emma Goldman is deported to Russia. | ||1919 – American anarchist Emma Goldman is deported to Russia. | ||
||Bernard Taub Feld (b. December 21, 1919) was a professor of physics at the Massachusetts Institute of Technology. He helped develop the atomic bomb, and later led an international movement among scientists to banish nuclear weapons. | |||
||1920 – Mohammed Abdullah Hassan, Somalian general, founded the Dervish state (b. 1856) | ||1920 – Mohammed Abdullah Hassan, Somalian general, founded the Dervish state (b. 1856) | ||
Revision as of 18:37, 11 December 2017
1878: Mathematician and philosopher Jan Łukasiewicz born. He will think innovatively about traditional propositional logic, the principle of non-contradiction and the law of excluded middle.
1913: Arthur Wynne's "word-cross", the first crossword puzzle, is published in the New York World.
1974: Fantasy Voronoi diagram upstages Fantasy Football.
1976: Chronography of 354 wins Pulitzer Prize.
1984: Mandelbrot set develops artificial intelligence, discovers new class of Gnomon algorithm functions.